87431903 Removing and installing compressor-condenser line in area of engine
WM 874319 Removing and installing compressor-condenser line in area of engine
Tools
Technical values
Preliminary work
Preliminary work on compressor-condenser line
Drain refrigerant. -> 870317 Draining and filling in refrigerant - section on "draining"
Remove drive belt. => Removing and installing drive belt - removing.
Unscrew compressor from engine block. -> 873419 Removing and installing compressor
Removing compressor-condenser line
Information
Close off all lines and connections using suitable plugs during removal.
Before re-installing the component, check the O-rings of the refrigerant lines for damage and replaced them if necessary.
Installation position
1. Unscrew the fastening screw -2- on the compressor.
Unscrewing fastening screw
Information
When loosening or tightening the refrigerant lines with line connections , always counter with the special tool assembly tool 9822 if possible.
When loosening or tightening the refrigerant lines with connections to air-conditioning components (e.g. condenser) , always counter with a size 21 open-ended wrench.
2. Unscrew the fastening screw -3- at the disconnection point ahead of the rubber mounting and remove the line from the engine compartment.
Fastening screw at disconnection point
Installing compressor-condenser line
Information
Before re-installing the component, check the O-rings of the refrigerant lines for damage and replaced them if necessary.
Wet the O-rings of the refrigerant lines with refrigerant oil.
Do not open the plugs for the lines and connections until shortly before installation.
Information
When loosening or tightening the refrigerant lines with line connections , always counter with the special tool assembly tool 9822 if possible.
When loosening or tightening the refrigerant lines with connections to air-conditioning components (e.g. condenser) , always counter with a size 21 open-ended wrench.
1. Carefully insert the line into the engine-compartment disconnection point and fasten with the fastening screw -3-. => Tightening torque: 14 Nm (10.5 ftlb.)
Disconnection point in engine compartment
2. Push the line on and fasten it with the fastening screw -2-. => Tightening torque: 21 Nm (16 ftlb.)
Fastening screw
Subsequent work
Subsequent work on compressor-condenser line
Screw compressor to engine block. -> 873419 Removing and installing compressor - section on "Installing" 873419 Removing and installing compressor
Install drive belt. => Removing and installing drive belt - installing.
Fill in refrigerant. -> 870317 Draining and filling in refrigerant